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Datenblatt MKG-VA

Product catalog summary

Overview: The document provides technical specifications and features of the MKG-VA series of miniature metal bellows couplings, designed for high-temperature applications up to 350°C. These couplings are characterized by their all-stainless steel construction, wear and maintenance-free operation, and torsionally stiff design.

Specifications:

Material: Bellows made from stainless steel 1.4571/A4, hubs from 1.4301/A2, and screws from ISO 4762 stainless steel/A4-80.
Temperature Range: -40°C to +350°C.
Operational Speed: Maximum of 20,000 RPM.
Design: Available in 2W, 4W, and 6W corrugation bellows versions, with size 1.5 featuring 5-corrugated metal bellows.

Technical Data:

Dimensions: Length dimensions conform to DIN ISO 2768 cH.
Order Examples: MKG-VA 4/4W D1 = 8 G7 D2 = 11 G7 and MKG-VA 8/6W D1 = 12 G7 D2 = 16 G7, both with stainless steel screws.
Installation: Simple installation with clamping hub, generally using stainless steel screws A4-80 without EASY-pin, with reduced actuation torques.
Transmission Torques: Check required for hub-shaft connections with diameters below Dmin.

Performance Parameters:

Torsional Stiffness: Varies with bellows type (2W, 4W, 6W).
Max Shaft Misalignment: Axial and lateral misalignments specified for each bellows type.
Spring Rates: Axial and lateral spring rates provided for each bellows type.
Mass: Approximate mass given for each size and bellows type.

Additional Notes: The connection between bellows and hub is achieved through plasma welding. Alternative lengths or hub versions are available upon request.

Catalog excerpts

• Drive Technology • all-stainless steel version up to 350°C • wear and maintenance free • very short and variable design • torsionally stiff • simple installation with clamping hub technical data: MKG- Tn moment torsional max. shaft axial lateral mass VA of inertia stiffness misalignment [mm] spring rate spring rate approx. [Nm] [kgmm2] [Nm/arcmin] axial ± lateral [N/mm] [N/mm] [g] max. operational speed: 20.000 Upm temperature range: -40°C up to +350°C notes: connection between bellows and hub by plasma welding. Three standard versions with 6-corrugation bellows 6W, 4-corrugation bellows 4W or 2-corrugation bellows 2W. Size 1.5 with 5-corrugated metal bellows. Dimensions [mm]: length dimensions according to DIN ISO 2768 cH • clamping hubs generally with stainless steel screws A4-80 without EASY-pin - mind reduced actuation torques • check transmission torques of hub-shaft connection for diameters below Dmin (further inquiry possible) • alternative lenghts or hub versions available on request order example: MKG-VA 4 / 4W D1 = 8 G7 D2 = 11 G7 - stainless steel screws

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Datenblatt MKG-VA

Datenblatt MKG-VA

Catalog excerpts

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